Oh goodness, it’s such a tough thing to think about, especially when you’re not close at hand to help/intervene. Had your Dad talked about it with you, perhaps he’s noticed changes too?
My mum struggled a bit with her memory, but it wasn’t super obvious, and she would sort of make up new words ie covis for COVID, ichihuahua for chihuahua. She also struggled with numbers and couldn’t write numbers down in the correct order, so writing cheques and tel nos became harder.
There were changes to her character, some more subtle than others; she became less empathic and her emotional responses seemed to be much blunter. She also found it difficult to follow simple directions or instructions ie how to find the loos in the supermarket, or follow new recipes, but covered it up by blaming the person giving the directions or the way the recipe was written. Mum became quite inflexible in her day to day routine too, and didn’t find it easy to deal with changes in her schedule.
it took quite sometime for her to receive a diagnosis and she was really angry with me for ‘’making’ her go through the the various appointments with her doctor and psychiatrists.
Although your mum’s GP won’t be able to discuss her with you, I wonder if you might call them and and explain your concerns? They may be able to suggest a ‘routine checkup’ or something like that where they can broach the subject.